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how to display full stored procedure code?
...h queries psql is using to retrieve that information (e.g. for the \df command) by starting psql with the --echo-hidden parameter. That will show all queries that are used internally. pg_proc does not store a complete CREATE FUNCTION statement. You can use pg_get_functiondef() to retrieve the compl...
How to display a content in two-column layout in LaTeX?
I am writing an article in LaTeX and I would like to display some content in two column layout. In the left column a matrix and in the right column a list of items. I have tried with tabular environment but it does not work as I want.
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Javascript “this” pointer within nested function
...r example, consider the following funciton,
function someFunction() {
}
and the following object,
var obj = { someFunction: someFunction };
If you call the function using method syntax such as,
obj.someFunciton();
then this is bound to obj.
If you call someFunction() directly, such as,
so...
Weird PHP error: 'Can't use function return value in write context'
I'm getting this error and I can't make head or tail of it.
12 Answers
12
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Stacking DIVs on top of each other?
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I got the divs to stack be using position: relative and specifying height
– yan bellavance
Oct 18 '16 at 15:50
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How do I delete all untracked files from my working directory in Mercurial?
...ded a bunch of files to my working directory, didn't add them via 'hg add' and now want to get rid of those new files entirely?
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What is the equivalent of Java's final in C#?
...inal keyword has several usages in Java. It corresponds to both the sealed and readonly keywords in C#, depending on the context in which it is used.
Classes
To prevent subclassing (inheritance from the defined class):
Java
public final class MyFinalClass {...}
C#
public sealed class MyFinalClass {...
Iterate through pairs of items in a Python list [duplicate]
... the advantage that this works on iterators is that this does not require random access into a stream of data (i.e. array access); rather, it only needs to ingest each item once, and caches it for the next evaluation. So if you have, say, a Twitter firehose, you don't ever need to read the firehose ...
How can I find the version of the Fedora I use?
...on't work if anyone's changed the login banners … I typically edit mine, and so, it seems, do many (most) corporate IT departments... :-(
– BRPocock
Dec 2 '11 at 16:05
8
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Pointers, smart pointers or shared pointers? [duplicate]
...ting/copying/destructing a shared pointer needs to be an atomic operation, and this can hinder performance if you have many threads running. However, it won't always be the case - only testing will tell you for sure.
There is an argument (that I like) against shared pointers - by using them, you ar...